Make texture mapping OpenGL ES 2.0 compliant.

ui/gfx/compositor/compositor_gl.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/gfx/compositor/compositor_gl.h"
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 298 matching lines @@
     size_ = overall_size;
 
     glGenTextures(1, &texture_id_);
     glBindTexture(GL_TEXTURE_2D, texture_id_);
     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
                  size_.width(), size_.height(), 0,
                  GL_RGBA, GL_UNSIGNED_BYTE, pixels);
 
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
   } else if (size_ != overall_size) {  // Size has changed.
     size_ = overall_size;
     glBindTexture(GL_TEXTURE_2D, texture_id_);
     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
                  size_.width(), size_.height(), 0,
                  GL_RGBA, GL_UNSIGNED_BYTE, pixels);
   } else {  // Uploading partial texture.
     glBindTexture(GL_TEXTURE_2D, texture_id_);
     glTexSubImage2D(GL_TEXTURE_2D, 0, origin.x(), origin.y(),
                     bitmap.width(), bitmap.height(),
@@ skipping 170 matching lines @@
   // on this thread long enough to perform the GL bindings.
   // TODO(wjmaclean) Remove this when GL initialisation cleaned up.
   base::ThreadRestrictions::ScopedAllowIO allow_io;
   if (gfx::GLSurface::InitializeOneOff() &&
       gfx::GetGLImplementation() != gfx::kGLImplementationNone)
     return new CompositorGL(widget, size);
   return NULL;
 }
 
 }  // namespace ui