Reland "Fix HTML5 video blurry"

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 8aa00d2f9ee658cba1d1475e39244571e938f2ff..73ba62deb9883858c98d9cd55761693374ba544d 100644
--- a/cc/output/gl_renderer.h
+++ b/cc/output/gl_renderer.h
@@ -304,9 +304,10 @@ class CC_EXPORT GLRenderer : public DirectRenderer {
 
   // Texture shaders.
   typedef ProgramBinding<VertexShaderPosTexTransform,
-                         FragmentShaderRGBATexVaryingAlpha> TextureProgram;
+                         FragmentShaderRGBATexClampVaryingAlpha>
+      TextureProgram;
   typedef ProgramBinding<VertexShaderPosTexTransform,
-                         FragmentShaderRGBATexPremultiplyAlpha>
+                         FragmentShaderRGBATexClampPremultiplyAlpha>
       NonPremultipliedTextureProgram;
   typedef ProgramBinding<VertexShaderPosTexTransform,
                          FragmentShaderTexBackgroundVaryingAlpha>
@@ -339,7 +340,7 @@ class CC_EXPORT GLRenderer : public DirectRenderer {
       RenderPassMaskColorMatrixProgram;
 
   // Video shaders.
-  typedef ProgramBinding<VertexShaderVideoTransform, FragmentShaderRGBATex>
+  typedef ProgramBinding<VertexShaderVideoTransform, FragmentShaderRGBATexClamp>
       VideoStreamTextureProgram;
   typedef ProgramBinding<VertexShaderPosTexYUVStretchOffset,
                          FragmentShaderYUVVideo> VideoYUVProgram;