cc: Use highp precision for texture coords if available and needed

cc/output/gl_renderer.h

Index: cc/output/gl_renderer.h
diff --git a/cc/output/gl_renderer.h b/cc/output/gl_renderer.h
index e6a668d2086386442426039228e7ef1553f0650e..df0b6932bdd3d43681ded76caacb5d64de7f93ad 100644
--- a/cc/output/gl_renderer.h
+++ b/cc/output/gl_renderer.h
@@ -261,17 +261,26 @@ class CC_EXPORT GLRenderer :
   const TileProgramSwizzleAA* GetTileProgramSwizzleAA();
   const TileCheckerboardProgram* GetTileCheckerboardProgram();
 
-  const RenderPassProgram* GetRenderPassProgram();
-  const RenderPassProgramAA* GetRenderPassProgramAA();
-  const RenderPassMaskProgram* GetRenderPassMaskProgram();
-  const RenderPassMaskProgramAA* GetRenderPassMaskProgramAA();
-
-  const TextureProgram* GetTextureProgram();
-  const TextureProgramFlip* GetTextureProgramFlip();
-  const TextureIOSurfaceProgram* GetTextureIOSurfaceProgram();
-
-  const VideoYUVProgram* GetVideoYUVProgram();
-  const VideoStreamTextureProgram* GetVideoStreamTextureProgram();
+  const RenderPassProgram* GetRenderPassProgram(
+      TexCoordPrecision precision);
+  const RenderPassProgramAA* GetRenderPassProgramAA(
+      TexCoordPrecision precision);
+  const RenderPassMaskProgram* GetRenderPassMaskProgram(
+      TexCoordPrecision precision);
+  const RenderPassMaskProgramAA* GetRenderPassMaskProgramAA(
+      TexCoordPrecision precision);
+
+  const TextureProgram* GetTextureProgram(
+      TexCoordPrecision precision);
+  const TextureProgramFlip* GetTextureProgramFlip(
+      TexCoordPrecision precision);
+  const TextureIOSurfaceProgram* GetTextureIOSurfaceProgram(
+      TexCoordPrecision precision);
+
+  const VideoYUVProgram* GetVideoYUVProgram(
+      TexCoordPrecision precision);
+  const VideoStreamTextureProgram* GetVideoStreamTextureProgram(
+      TexCoordPrecision precision);
 
   const DebugBorderProgram* GetDebugBorderProgram();
   const SolidColorProgram* GetSolidColorProgram();
@@ -290,13 +299,25 @@ class CC_EXPORT GLRenderer :
   scoped_ptr<RenderPassMaskProgram> render_pass_mask_program_;
   scoped_ptr<RenderPassMaskProgramAA> render_pass_mask_program_aa_;
 
+  scoped_ptr<RenderPassProgram> render_pass_program_highp_;
+  scoped_ptr<RenderPassProgramAA> render_pass_program_aa_highp_;
+  scoped_ptr<RenderPassMaskProgram> render_pass_mask_program_highp_;
+  scoped_ptr<RenderPassMaskProgramAA> render_pass_mask_program_aa_highp_;
+
   scoped_ptr<TextureProgram> texture_program_;
   scoped_ptr<TextureProgramFlip> texture_program_flip_;
   scoped_ptr<TextureIOSurfaceProgram> texture_io_surface_program_;
 
+  scoped_ptr<TextureProgram> texture_program_highp_;
+  scoped_ptr<TextureProgramFlip> texture_program_flip_highp_;
+  scoped_ptr<TextureIOSurfaceProgram> texture_io_surface_program_highp_;
+
   scoped_ptr<VideoYUVProgram> video_yuv_program_;
   scoped_ptr<VideoStreamTextureProgram> video_stream_texture_program_;
 
+  scoped_ptr<VideoYUVProgram> video_yuv_program_highp_;
+  scoped_ptr<VideoStreamTextureProgram> video_stream_texture_program_highp_;
+
   scoped_ptr<DebugBorderProgram> debug_border_program_;
   scoped_ptr<SolidColorProgram> solid_color_program_;
   scoped_ptr<SolidColorProgramAA> solid_color_program_aa_;