Fix ODR violations caused by mojoms being included in multiple components.

third_party/WebKit/Source/core/offscreencanvas/BUILD.gn

Index: third_party/WebKit/Source/core/offscreencanvas/BUILD.gn
diff --git a/third_party/WebKit/Source/core/offscreencanvas/BUILD.gn b/third_party/WebKit/Source/core/offscreencanvas/BUILD.gn
index 6ac074babb1ed3494ddb6f6e973097a12e895668..7260b14fa103bda2ee0f228af2d84578c915a10f 100644
--- a/third_party/WebKit/Source/core/offscreencanvas/BUILD.gn
+++ b/third_party/WebKit/Source/core/offscreencanvas/BUILD.gn
@@ -11,6 +11,6 @@ blink_core_sources("offscreencanvas") {
   ]
   deps = [
     "//mojo/public/cpp/bindings:bindings",
-    "//third_party/WebKit/public:offscreen_canvas_mojo_bindings_blink",

[sashab, 2016/12/19 23:23:43]

What does this mean? Is this correct?

Not sure if we want things relying on Source/platform or exposed modules

Adding haraken@ for advice

+    "//third_party/WebKit/Source/platform",

[haraken, 2016/12/20 00:13:06]

core/ to platform/ should be already allowed. You won't need this.

[Sam McNally, 2016/12/20 00:28:21]

Done.

   ]
 }