Remove methods from WebGraphicsContext3D that wrap type casts.

gpu/blink/webgraphicscontext3d_impl.h

Index: gpu/blink/webgraphicscontext3d_impl.h
diff --git a/gpu/blink/webgraphicscontext3d_impl.h b/gpu/blink/webgraphicscontext3d_impl.h
index fa91328696004562b8df3affdb80feff00eb570a..e3f14bb18974c6e7ba426d0b35628c2cd47082ed 100644
--- a/gpu/blink/webgraphicscontext3d_impl.h
+++ b/gpu/blink/webgraphicscontext3d_impl.h
@@ -40,11 +40,6 @@ class GPU_BLINK_EXPORT WebGraphicsContext3DImpl
   bool genSyncTokenCHROMIUM(blink::WGC3Duint64 fenceSync,
                             blink::WGC3Dbyte* syncToken) override;
 
-  void drawElements(blink::WGC3Denum mode,
-                    blink::WGC3Dsizei count,
-                    blink::WGC3Denum type,
-                    blink::WGC3Dintptr offset) override;
-
   bool getActiveAttrib(blink::WebGLId program,
                        blink::WGC3Duint index,
                        ActiveInfo&) override;
@@ -58,25 +53,9 @@ class GPU_BLINK_EXPORT WebGraphicsContext3DImpl
   blink::WebString getShaderSource(blink::WebGLId shader) override;
   blink::WebString getString(blink::WGC3Denum name) override;
 
-  void getSynciv(blink::WGC3Dsync sync,
-                 blink::WGC3Denum pname,
-                 blink::WGC3Dsizei bufSize,
-                 blink::WGC3Dsizei *length,
-                 blink::WGC3Dint *params) override;
-
-  blink::WGC3Dsizeiptr getVertexAttribOffset(blink::WGC3Duint index,
-                                             blink::WGC3Denum pname) override;
-
   void shaderSource(blink::WebGLId shader,
                     const blink::WGC3Dchar* string) override;
 
-  void vertexAttribPointer(blink::WGC3Duint index,
-                           blink::WGC3Dint size,
-                           blink::WGC3Denum type,
-                           blink::WGC3Dboolean normalized,
-                           blink::WGC3Dsizei stride,
-                           blink::WGC3Dintptr offset) override;
-
   blink::WebGLId createBuffer() override;
   blink::WebGLId createFramebuffer() override;
   blink::WebGLId createRenderbuffer() override;
@@ -91,16 +70,6 @@ class GPU_BLINK_EXPORT WebGraphicsContext3DImpl
 
   blink::WebString getRequestableExtensionsCHROMIUM() override;
 
-  void blitFramebufferCHROMIUM(blink::WGC3Dint srcX0,
-                               blink::WGC3Dint srcY0,
-                               blink::WGC3Dint srcX1,
-                               blink::WGC3Dint srcY1,
-                               blink::WGC3Dint dstX0,
-                               blink::WGC3Dint dstY0,
-                               blink::WGC3Dint dstX1,
-                               blink::WGC3Dint dstY1,
-                               blink::WGC3Dbitfield mask,
-                               blink::WGC3Denum filter) override;
   blink::WebString getTranslatedShaderSourceANGLE(
       blink::WebGLId shader) override;
 
@@ -148,9 +117,6 @@ class GPU_BLINK_EXPORT WebGraphicsContext3DImpl
   void clearBufferuiv(blink::WGC3Denum buffer,
                       blink::WGC3Dint drawbuffer,
                       const blink::WGC3Duint* value) override;
-  blink::WGC3Denum clientWaitSync(blink::WGC3Dsync sync,
-                                  blink::WGC3Dbitfield flags,
-                                  blink::WGC3Duint64 timeout) override;
   void compressedTexImage3D(blink::WGC3Denum target,
                             blink::WGC3Dint level,
                             blink::WGC3Denum internalformat,
@@ -188,17 +154,8 @@ class GPU_BLINK_EXPORT WebGraphicsContext3DImpl
   blink::WebGLId createSampler() override;
   blink::WebGLId createTransformFeedback() override;
   void deleteSampler(blink::WebGLId sampler) override;
-  void deleteSync(blink::WGC3Dsync sync) override;
   void deleteTransformFeedback(blink::WebGLId transformfeedback) override;
-  void drawRangeElements(blink::WGC3Denum mode,
-                         blink::WGC3Duint start,
-                         blink::WGC3Duint end,
-                         blink::WGC3Dsizei count,
-                         blink::WGC3Denum type,
-                         blink::WGC3Dintptr offset) override;
   void endTransformFeedback(void) override;
-  blink::WGC3Dsync fenceSync(blink::WGC3Denum condition,
-                             blink::WGC3Dbitfield flags) override;
   void getActiveUniformBlockName(blink::WGC3Duint program,
                                  blink::WGC3Duint uniformBlockIndex,
                                  blink::WGC3Dsizei bufSize,
@@ -254,7 +211,6 @@ class GPU_BLINK_EXPORT WebGraphicsContext3DImpl
                                 blink::WGC3Dsizei width,
                                 blink::WGC3Dsizei height) override;
   blink::WGC3Dboolean isSampler(blink::WebGLId sampler) override;
-  blink::WGC3Dboolean isSync(blink::WGC3Dsync sync) override;
   blink::WGC3Dboolean isTransformFeedback(blink::WGC3Duint id) override;
   void* mapBufferRange(blink::WGC3Denum target,
                        blink::WGC3Dintptr offset,
@@ -284,14 +240,6 @@ class GPU_BLINK_EXPORT WebGraphicsContext3DImpl
       const blink::WGC3Dchar* const* varyings,
       blink::WGC3Denum bufferMode) override;
   blink::WGC3Dboolean unmapBuffer(blink::WGC3Denum target) override;
-  void vertexAttribIPointer(blink::WGC3Duint index,
-                            blink::WGC3Dint size,
-                            blink::WGC3Denum type,
-                            blink::WGC3Dsizei stride,
-                            blink::WGC3Dintptr pointer) override;
-  void waitSync(blink::WGC3Dsync sync,
-                blink::WGC3Dbitfield flags,
-                blink::WGC3Duint64 timeout) override;
 
   // WebGraphicsContext3D implementation.
   ::gpu::gles2::GLES2Interface* getGLES2Interface() override;