Download and store large favicon for Android.

chrome/browser/favicon/favicon_handler.cc

Index: chrome/browser/favicon/favicon_handler.cc
diff --git a/chrome/browser/favicon/favicon_handler.cc b/chrome/browser/favicon/favicon_handler.cc
index 5e1459cb8ed4a18474af2b2b01eb623060c79f37..57575cfcdeaa0cb6260f3936a09eddd410d0d9c0 100644
--- a/chrome/browser/favicon/favicon_handler.cc
+++ b/chrome/browser/favicon/favicon_handler.cc
@@ -32,7 +32,7 @@ namespace {
 
 // Size (along each axis) of a touch icon. This currently corresponds to
 // the apple touch icon for iPad.
-const int kTouchIconSize = 72;
+const int kTouchIconSize = 144;
 
 // Returns chrome::IconType the given icon_type corresponds to.
 chrome::IconType ToHistoryIconType(FaviconURL::IconType icon_type) {
@@ -47,27 +47,27 @@ chrome::IconType ToHistoryIconType(FaviconURL::IconType icon_type) {
       return chrome::INVALID_ICON;
   }
   NOTREACHED();
-  // Shouldn't reach here, just make compiler happy.
   return chrome::INVALID_ICON;
 }
 
 // Get the maximal icon size in pixels for a icon of type |icon_type| for the
 // current platform.
 int GetMaximalIconSize(chrome::IconType icon_type) {
-  int base_size = 0;
   switch (icon_type) {
     case chrome::FAVICON:
-      base_size = gfx::kFaviconSize;
-      break;
+#if defined(OS_ANDROID)
+      return 192;
+#else
+      return gfx::ImageSkia::GetMaxSupportedScale() * gfx::kFaviconSize;
+#endif
     case chrome::TOUCH_ICON:
     case chrome::TOUCH_PRECOMPOSED_ICON:
-      base_size = kTouchIconSize;
-      break;
+      return kTouchIconSize;
     case chrome::INVALID_ICON:
-      base_size = 0;
-      break;
+      return 0;
   }
-  return gfx::ImageSkia::GetMaxSupportedScale() * base_size;
+  NOTREACHED();
+  return 0;
 }
 
 bool DoUrlAndIconMatch(const FaviconURL& favicon_url,