Addition of GL_CHROMIUM_copy_texture extension.

gpu/command_buffer/service/texture_manager.cc

Index: gpu/command_buffer/service/texture_manager.cc
===================================================================
--- gpu/command_buffer/service/texture_manager.cc	(revision 132133)
+++ gpu/command_buffer/service/texture_manager.cc	(working copy)
@@ -326,6 +326,21 @@
   return false;
 }
 
+bool TextureManager::TextureInfo::SetLevelSize(
+    GLint face, GLint level, GLsizei width, GLsizei height) {
+  size_t face_index = GLTargetToFaceIndex(face);
+  if (level >= 0 && face_index < level_infos_.size() &&
+      static_cast<size_t>(level) < level_infos_[face_index].size()) {
+    LevelInfo& info = level_infos_[face_index][level];
+    if (info.target!= 0) {
+      info.width = width;
+      info.height = height;
+      return true;
+    }
+  }
+  return false;
+}
+
 bool TextureManager::TextureInfo::GetLevelType(
     GLint face, GLint level, GLenum* type, GLenum* internal_format) const {
   DCHECK(type);
@@ -333,7 +348,7 @@
   size_t face_index = GLTargetToFaceIndex(face);
   if (level >= 0 && face_index < level_infos_.size() &&
       static_cast<size_t>(level) < level_infos_[face_index].size()) {
-    const LevelInfo& info = level_infos_[GLTargetToFaceIndex(face)][level];
+    const LevelInfo& info = level_infos_[face_index][level];
     if (info.target != 0) {
       *type = info.type;
       *internal_format = info.internal_format;