cc: Free gpu resources when we are invisible or TM is oom.

cc/resources/gpu_rasterizer.h

Index: cc/resources/gpu_rasterizer.h
diff --git a/cc/resources/gpu_rasterizer.h b/cc/resources/gpu_rasterizer.h
index 8c75f326d0d22ffd5e1b7cf8e5b686ec613d854d..7a11bffcef9a34945b469827412f59721ed62170 100644
--- a/cc/resources/gpu_rasterizer.h
+++ b/cc/resources/gpu_rasterizer.h
@@ -44,6 +44,8 @@ class CC_EXPORT GpuRasterizer : public Rasterizer {
                        float scale);
 
   ResourceProvider* resource_provider() { return resource_provider_; }
+  void SetZeroMemoryLimit();
+  void SetDefaultMemoryLimit();
 
  private:
   GpuRasterizer(ContextProvider* context_provider,
@@ -68,6 +70,9 @@ class CC_EXPORT GpuRasterizer : public Rasterizer {
   bool use_distance_field_text_;
   bool threaded_gpu_rasterization_enabled_;
   int msaa_sample_count_;
+  int maxTextures_;

[vmiura, 2015/04/02 19:12:34]

nit: maxTextures_ -> max_textures_.  maxTextureBytes_ -> max_texture_bytes_.

[sohanjg, 2015/04/08 09:00:31]

Done.

+  size_t maxTextureBytes_;
+  bool cache_cleared_;

[vmiura, 2015/04/02 19:12:34]

Instead of cache_cleared_, invert to "bool default_memory_limit_set_"?

[sohanjg, 2015/04/08 09:00:31]

Done.

 
   DISALLOW_COPY_AND_ASSIGN(GpuRasterizer);
 };