Revert of Reland "Fix HTML5 video blurry"

cc/output/shader.h

Index: cc/output/shader.h
diff --git a/cc/output/shader.h b/cc/output/shader.h
index ea61c9192ccfe1c06a3ce268c511d3491f5dd685..21b4a70de5aaac404dc18061f6483967841dddf7 100644
--- a/cc/output/shader.h
+++ b/cc/output/shader.h
@@ -424,132 +424,103 @@
     int color_offset_location_;
 };
 
-class FragmentTexQuadBase : public FragmentTexBlendMode {
- public:
-  FragmentTexQuadBase() = default;
-  virtual ~FragmentTexQuadBase() = default;
-
-  int sampler_location() const { return sampler_location_; }
-  virtual int background_color_location() const;
-  virtual int tex_clamp_rect_location() const;
-
- protected:
-  int sampler_location_ = -1;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(FragmentTexQuadBase);
-};
-
-class FragmentTexClampBinding : public FragmentTexQuadBase {
- public:
-  FragmentTexClampBinding() = default;
-
-  void Init(gpu::gles2::GLES2Interface* context,
-            unsigned program,
-            int* base_uniform_index);
-  int tex_clamp_rect_location() const final;
-
- private:
-  int tex_clamp_rect_location_ = -1;
-
-  DISALLOW_COPY_AND_ASSIGN(FragmentTexClampBinding);
-};
-
-class FragmentTexBackgroundBinding : public FragmentTexQuadBase {
+class FragmentTexOpaqueBinding : public FragmentTexBlendMode {
+ public:
+  FragmentTexOpaqueBinding();
+
+  void Init(gpu::gles2::GLES2Interface* context,
+            unsigned program,
+            int* base_uniform_index);
+  int alpha_location() const { return -1; }
+  int fragment_tex_transform_location() const { return -1; }
+  int background_color_location() const { return -1; }
+  int sampler_location() const { return sampler_location_; }
+
+ private:
+  int sampler_location_;
+
+  DISALLOW_COPY_AND_ASSIGN(FragmentTexOpaqueBinding);
+};
+
+class FragmentTexBackgroundBinding : public FragmentTexBlendMode {
  public:
   FragmentTexBackgroundBinding();
 
   void Init(gpu::gles2::GLES2Interface* context,
             unsigned program,
             int* base_uniform_index);
-  int background_color_location() const final;
+  int background_color_location() const { return background_color_location_; }
+  int sampler_location() const { return sampler_location_; }
 
  private:
   int background_color_location_;
+  int sampler_location_;
 
   DISALLOW_COPY_AND_ASSIGN(FragmentTexBackgroundBinding);
 };
 
-class FragmentShaderRGBATexClampVaryingAlpha : public FragmentTexClampBinding {
- public:
-  std::string GetShaderString(
-      TexCoordPrecision precision, SamplerType sampler) const;
-  static std::string GetShaderHead();
-  static std::string GetShaderBody();
-};
-
-class FragmentShaderRGBATexClampPremultiplyAlpha
-    : public FragmentTexClampBinding {
+class FragmentShaderRGBATexVaryingAlpha : public FragmentTexOpaqueBinding {
+ public:
+  std::string GetShaderString(
+      TexCoordPrecision precision, SamplerType sampler) const;
+  static std::string GetShaderHead();
+  static std::string GetShaderBody();
+};
+
+class FragmentShaderRGBATexPremultiplyAlpha : public FragmentTexOpaqueBinding {
+ public:
+  std::string GetShaderString(
+      TexCoordPrecision precision, SamplerType sampler) const;
+  static std::string GetShaderHead();
+  static std::string GetShaderBody();
+};
+
+class FragmentShaderTexBackgroundVaryingAlpha
+    : public FragmentTexBackgroundBinding {
+ public:
+  std::string GetShaderString(
+      TexCoordPrecision precision, SamplerType sampler) const;
+  static std::string GetShaderHead();
+  static std::string GetShaderBody();
+};
+
+class FragmentShaderTexBackgroundPremultiplyAlpha
+    : public FragmentTexBackgroundBinding {
+ public:
+  std::string GetShaderString(
+      TexCoordPrecision precision, SamplerType sampler) const;
+  static std::string GetShaderHead();
+  static std::string GetShaderBody();
+};
+
+class FragmentShaderRGBATexAlpha : public FragmentTexAlphaBinding {
+ public:
+  std::string GetShaderString(
+      TexCoordPrecision precision, SamplerType sampler) const;
+  static std::string GetShaderHead();
+  static std::string GetShaderBody();
+  void FillLocations(ShaderLocations* locations) const;
+};
+
+class FragmentShaderRGBATexColorMatrixAlpha
+    : public FragmentTexColorMatrixAlphaBinding {
  public:
   std::string GetShaderString(TexCoordPrecision precision,
                               SamplerType sampler) const;
   static std::string GetShaderHead();
   static std::string GetShaderBody();
-};
-
-class FragmentShaderRGBATexClamp : public FragmentTexClampBinding {
- public:
-  std::string GetShaderString(
-      TexCoordPrecision precision, SamplerType sampler) const;
-  static std::string GetShaderHead();
-  static std::string GetShaderBody();
-};
-
-class FragmentShaderTexBackgroundVaryingAlpha
-    : public FragmentTexBackgroundBinding {
- public:
-  std::string GetShaderString(
-      TexCoordPrecision precision, SamplerType sampler) const;
-  static std::string GetShaderHead();
-  static std::string GetShaderBody();
-};
-
-class FragmentShaderTexBackgroundPremultiplyAlpha
-    : public FragmentTexBackgroundBinding {
- public:
-  std::string GetShaderString(
-      TexCoordPrecision precision, SamplerType sampler) const;
-  static std::string GetShaderHead();
-  static std::string GetShaderBody();
-};
-
-class FragmentShaderRGBATexAlpha : public FragmentTexAlphaBinding {
- public:
-  std::string GetShaderString(
-      TexCoordPrecision precision, SamplerType sampler) const;
-  static std::string GetShaderHead();
-  static std::string GetShaderBody();
-  void FillLocations(ShaderLocations* locations) const;
-};
-
-class FragmentShaderRGBATexColorMatrixAlpha
-    : public FragmentTexColorMatrixAlphaBinding {
- public:
-  std::string GetShaderString(TexCoordPrecision precision,
-                              SamplerType sampler) const;
-  static std::string GetShaderHead();
-  static std::string GetShaderBody();
-  void FillLocations(ShaderLocations* locations) const;
-};
-
-class FragmentTexOpaqueBinding : public FragmentTexBlendMode {
- public:
-  FragmentTexOpaqueBinding();
-
-  void Init(gpu::gles2::GLES2Interface* context,
-            unsigned program,
-            int* base_uniform_index);
-  int alpha_location() const { return -1; }
-  int fragment_tex_transform_location() const { return -1; }
-  int sampler_location() const { return sampler_location_; }
-
- private:
-  int sampler_location_;
-
-  DISALLOW_COPY_AND_ASSIGN(FragmentTexOpaqueBinding);
+  void FillLocations(ShaderLocations* locations) const;
 };
 
 class FragmentShaderRGBATexOpaque : public FragmentTexOpaqueBinding {
+ public:
+  std::string GetShaderString(
+      TexCoordPrecision precision, SamplerType sampler) const;
+  static std::string GetShaderHead();
+  static std::string GetShaderBody();
+};
+
+class FragmentShaderRGBATex : public FragmentTexOpaqueBinding {
  public:
   std::string GetShaderString(
       TexCoordPrecision precision, SamplerType sampler) const;