Fixes for -Wunused-function on Linux, Android and ChromeOS

android_webview/browser/in_process_view_renderer.cc

 // Copyright 2013 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 "android_webview/browser/in_process_view_renderer.h"
 
 #include <android/bitmap.h>
 
 #include "android_webview/browser/aw_gl_surface.h"
 #include "android_webview/browser/scoped_app_gl_state_restore.h"
@@ skipping 89 matching lines @@
   }
 
   if (AndroidBitmap_unlockPixels(env, jbitmap.obj()) < 0) {
     LOG(ERROR) << "Error unlocking java bitmap pixels.";
     return false;
   }
 
   return succeeded;
 }
 
-bool RenderPictureToCanvas(SkPicture* picture, SkCanvas* canvas) {
-  canvas->drawPicture(*picture);
-  return true;
-}
-
 class ScopedPixelAccess {
  public:
   ScopedPixelAccess(JNIEnv* env, jobject java_canvas) {
     AwDrawSWFunctionTable* sw_functions =
         BrowserViewRenderer::GetAwDrawSWFunctionTable();
     pixels_ = sw_functions ?
       sw_functions->access_pixels(env, java_canvas) : NULL;
   }
   ~ScopedPixelAccess() {
     if (pixels_)
@@ skipping 868 matching lines @@
     base::StringAppendF(&str,
                         "surface width height: [%d %d] ",
                         draw_info->width,
                         draw_info->height);
     base::StringAppendF(&str, "is_layer: %d ", draw_info->is_layer);
   }
   return str;
 }
 
 }  // namespace android_webview