Add NeedsChromeSourceResponse.builds_chrome.

Some of the prebuilts analysis would benefit from knowing if the builder
would build chrome.  That is available with the old-n-otherwise-buggy
approach, but was not included in the new approach.

BUG=chromium:1088059, chromium:1086714
TEST=generate.

Change-Id: I8087e977aec5a1fbe55cac9f9d7ccf814ca8b1ff
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/infra/proto/+/2378572
Tested-by: LaMont Jones <lamontjones@chromium.org>
Auto-Submit: LaMont Jones <lamontjones@chromium.org>
Commit-Queue: Alex Klein <saklein@chromium.org>
Reviewed-by: Alex Klein <saklein@chromium.org>
diff --git a/go/chromite/api/packages.pb.go b/go/chromite/api/packages.pb.go
index 606e8b8..7b663f3 100644
--- a/go/chromite/api/packages.pb.go
+++ b/go/chromite/api/packages.pb.go
@@ -25,6 +25,7 @@
 // proto package needs to be updated.
 const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 
+// Reasons for needing Chrome source.
 type NeedsChromeSourceResponse_Reason int32
 
 const (
@@ -942,15 +943,16 @@
 }
 
 type NeedsChromeSourceResponse struct {
-	// Whethere Chrome source is needed.
-	NeedsChromeSource bool `protobuf:"varint,1,opt,name=needs_chrome_source,json=needsChromeSource,proto3" json:"needs_chrome_source,omitempty"`
-	// Reasons for needing Chrome source.
-	Reasons []NeedsChromeSourceResponse_Reason `protobuf:"varint,2,rep,packed,name=reasons,proto3,enum=chromite.api.NeedsChromeSourceResponse_Reason" json:"reasons,omitempty"`
+	// Whether Chrome source is needed.
+	NeedsChromeSource bool                               `protobuf:"varint,1,opt,name=needs_chrome_source,json=needsChromeSource,proto3" json:"needs_chrome_source,omitempty"`
+	Reasons           []NeedsChromeSourceResponse_Reason `protobuf:"varint,2,rep,packed,name=reasons,proto3,enum=chromite.api.NeedsChromeSourceResponse_Reason" json:"reasons,omitempty"`
 	// Packages causing the need for source.
-	Packages             []*chromiumos.PackageInfo `protobuf:"bytes,3,rep,name=packages,proto3" json:"packages,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}                  `json:"-"`
-	XXX_unrecognized     []byte                    `json:"-"`
-	XXX_sizecache        int32                     `json:"-"`
+	Packages []*chromiumos.PackageInfo `protobuf:"bytes,3,rep,name=packages,proto3" json:"packages,omitempty"`
+	// Whether or not it builds Chrome.  See BuildsChrome().
+	BuildsChrome         bool     `protobuf:"varint,4,opt,name=builds_chrome,json=buildsChrome,proto3" json:"builds_chrome,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
 func (m *NeedsChromeSourceResponse) Reset()         { *m = NeedsChromeSourceResponse{} }
@@ -999,6 +1001,13 @@
 	return nil
 }
 
+func (m *NeedsChromeSourceResponse) GetBuildsChrome() bool {
+	if m != nil {
+		return m.BuildsChrome
+	}
+	return false
+}
+
 // The generic version of HasChromePrebuilt.
 type HasPrebuiltRequest struct {
 	// The chroot where the operations will be executed.
@@ -1468,103 +1477,103 @@
 func init() { proto.RegisterFile("chromite/api/packages.proto", fileDescriptor_40286986e1d9a416) }
 
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+	0x43, 0xe8, 0x6b, 0x72, 0x64, 0x3c, 0x4a, 0x91, 0x78, 0x08, 0xf4, 0x14, 0x4a, 0xec, 0x94, 0xf0,
+	0x0e, 0xee, 0xdb, 0x5e, 0xdf, 0x55, 0x61, 0x29, 0xaf, 0x2d, 0xc6, 0xcb, 0x74, 0x47, 0x21, 0xf6,
+	0xfb, 0x2e, 0xb1, 0x8a, 0x6c, 0xb0, 0xf0, 0xaf, 0x4c, 0xd6, 0xf3, 0xdc, 0x9e, 0x67, 0xb7, 0x28,
+	0xd7, 0x1d, 0xb7, 0xa0, 0x28, 0xcf, 0x29, 0x37, 0xff, 0xca, 0xc2, 0x92, 0xdc, 0x9f, 0xee, 0x52,
+	0xa4, 0xa5, 0x37, 0xfa, 0x89, 0x69, 0x8f, 0xa5, 0x28, 0x3b, 0x7e, 0x8a, 0xd0, 0x16, 0x4c, 0xe9,
+	0x1e, 0x1a, 0x9c, 0x9e, 0xff, 0xc6, 0x77, 0x78, 0x96, 0x97, 0xb5, 0x97, 0xd4, 0xb3, 0x48, 0xdb,
+	0x0a, 0x55, 0xa4, 0x43, 0x3e, 0x71, 0x8e, 0x90, 0x1b, 0x87, 0x90, 0x57, 0x1a, 0xd1, 0x75, 0x00,
+	0x4e, 0x5c, 0x26, 0xa8, 0xc7, 0x78, 0x5f, 0x5f, 0xaa, 0x11, 0x0a, 0xaa, 0x40, 0x8e, 0x93, 0xb6,
+	0xbe, 0x3e, 0xfd, 0x4f, 0x64, 0xc0, 0x14, 0x27, 0xa7, 0x34, 0x32, 0xf5, 0x86, 0x6b, 0xf3, 0x97,
+	0x0c, 0xcc, 0x27, 0xaa, 0x49, 0x97, 0xe2, 0x01, 0x54, 0xba, 0xac, 0x45, 0xdb, 0x94, 0xb4, 0x6c,
+	0xa2, 0x0e, 0xbf, 0x9e, 0xdb, 0xee, 0x0d, 0x09, 0x43, 0x52, 0xbc, 0xd6, 0x90, 0x22, 0xd6, 0x4c,
+	0xa0, 0x43, 0xad, 0x45, 0xf4, 0xb1, 0x92, 0x8d, 0x3d, 0x56, 0x8c, 0x25, 0xc8, 0x2b, 0x90, 0xff,
+	0x84, 0x74, 0xb1, 0x77, 0x12, 0x3c, 0x21, 0xfd, 0x6f, 0xf3, 0x08, 0xae, 0x8d, 0x88, 0xb7, 0xf6,
+	0xf7, 0x19, 0x14, 0xb8, 0xfe, 0x0e, 0x1c, 0xbd, 0x31, 0x86, 0xa3, 0xd6, 0x40, 0x6a, 0xed, 0xa7,
+	0x49, 0x28, 0x6b, 0xfe, 0x1e, 0xe1, 0xa7, 0xb4, 0xe9, 0x47, 0xa1, 0x14, 0x7d, 0x24, 0xa3, 0x95,
+	0xb8, 0xca, 0x21, 0x8f, 0x7e, 0xc3, 0x3c, 0x0b, 0xa2, 0x9d, 0xfd, 0x12, 0xca, 0xf1, 0x87, 0x2a,
+	0xba, 0x91, 0x9e, 0x50, 0x53, 0x6f, 0x6b, 0xe3, 0xe6, 0xd9, 0x20, 0xad, 0x1c, 0x43, 0x25, 0xf9,
+	0x56, 0x44, 0xb7, 0x52, 0x92, 0xc3, 0x9e, 0xb3, 0xc6, 0xed, 0x8f, 0xc1, 0xb4, 0x89, 0x16, 0xcc,
+	0xa6, 0x9e, 0x74, 0x28, 0x2d, 0x3c, 0xf4, 0xe1, 0x69, 0xdc, 0xf9, 0x28, 0x4e, 0x5b, 0x39, 0x06,
+	0x94, 0x9e, 0xd4, 0xd1, 0x9d, 0x8f, 0xcf, 0xf2, 0xca, 0xce, 0xdd, 0x71, 0x87, 0x7e, 0x7f, 0x3b,
+	0xa9, 0x59, 0x23, 0xb9, 0x9d, 0x51, 0x83, 0x52, 0x72, 0x3b, 0xa3, 0x87, 0x16, 0x0b, 0x8a, 0x91,
+	0x9e, 0x8f, 0x96, 0x53, 0x72, 0x49, 0xcd, 0x2b, 0x67, 0x20, 0xb4, 0xce, 0xcf, 0xe1, 0x92, 0x2c,
+	0x6b, 0x64, 0x9e, 0x59, 0xeb, 0x4a, 0xdf, 0x38, 0xe7, 0xc1, 0xcc, 0xbf, 0xfb, 0x60, 0x64, 0x2b,
+	0x59, 0xf4, 0x8d, 0x6e, 0x0c, 0xc9, 0x03, 0x87, 0xee, 0x8d, 0xdf, 0x05, 0x8d, 0xfb, 0x63, 0x61,
+	0xe3, 0x96, 0x8d, 0xca, 0xbb, 0x0f, 0x46, 0x69, 0x30, 0xba, 0x54, 0x32, 0xeb, 0x8f, 0xbf, 0x78,
+	0x74, 0xcc, 0xc2, 0x46, 0x59, 0x63, 0xfc, 0x78, 0x35, 0xf2, 0x2b, 0x8e, 0x3a, 0x6d, 0x8e, 0x57,
+	0xe5, 0x9f, 0xb8, 0xd5, 0x63, 0xb6, 0x1a, 0xfd, 0x81, 0x77, 0x94, 0x97, 0xe4, 0x07, 0x7f, 0x07,
+	0x00, 0x00, 0xff, 0xff, 0x70, 0x2a, 0xf6, 0xb6, 0x3c, 0x14, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
diff --git a/src/chromite/api/packages.proto b/src/chromite/api/packages.proto
index 36206ee..4edd6d8 100644
--- a/src/chromite/api/packages.proto
+++ b/src/chromite/api/packages.proto
@@ -168,8 +168,10 @@
 }
 
 message NeedsChromeSourceResponse {
-  // Whethere Chrome source is needed.
+  // Whether Chrome source is needed.
   bool needs_chrome_source = 1;
+
+  // Reasons for needing Chrome source.
   enum Reason {
     UNSPECIFIED = 0;
     // There is no Chrome prebuilt available.
@@ -181,11 +183,13 @@
     // A follower package lacks prebuilts.
     FOLLOWER_LACKS_PREBUILT = 4;
   };
-  // Reasons for needing Chrome source.
   repeated Reason reasons = 2;
 
   // Packages causing the need for source.
   repeated chromiumos.PackageInfo packages = 3;
+
+  // Whether or not it builds Chrome.  See BuildsChrome().
+  bool builds_chrome = 4;
 }
 
 // The generic version of HasChromePrebuilt.