Make the ThemeProvider methods const.

BUG=none
TEST=none
Review URL: http://codereview.chromium.org/266037

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@28868 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 12 insertions, 11 deletions

diff --git a/app/theme_provider.h b/app/theme_provider.h
index f9a9bb5..c3b8a9c 100644
--- a/app/theme_provider.h
+++ b/app/theme_provider.h
@@ -43,26 +43,27 @@ class ThemeProvider {
 
   // Get the bitmap specified by |id|. An implementation of ThemeProvider should
   // have its own source of ids (e.g. an enum, or external resource bundle).
-  virtual SkBitmap* GetBitmapNamed(int id) = 0;
+  virtual SkBitmap* GetBitmapNamed(int id) const = 0;
 
   // Get the color specified by |id|.
-  virtual SkColor GetColor(int id) = 0;
+  virtual SkColor GetColor(int id) const = 0;
 
   // Get the property (e.g. an alignment expressed in an enum, or a width or
   // height) specified by |id|.
-  virtual bool GetDisplayProperty(int id, int* result) = 0;
+  virtual bool GetDisplayProperty(int id, int* result) const = 0;
 
   // Whether we should use the native system frame (typically Aero glass) or
   // a custom frame.
-  virtual bool ShouldUseNativeFrame() = 0;
+  virtual bool ShouldUseNativeFrame() const = 0;
 
   // Whether or not we have a certain image. Used for when the default theme
   // doesn't provide a certain image, but custom themes might (badges, etc).
-  virtual bool HasCustomImage(int id) = 0;
+  virtual bool HasCustomImage(int id) const = 0;
 
   // Reads the image data from the theme file into the specified vector. Returns
   // true on success.
-  virtual bool GetRawData(int id, std::vector<unsigned char>* raw_data) = 0;
+  virtual bool GetRawData(int id,
+                          std::vector<unsigned char>* raw_data) const = 0;
 
 #if defined(OS_LINUX) && !defined(TOOLKIT_VIEWS)
   // Gets the GdkPixbuf with the specified |id|.  Returns a pointer to a shared
@@ -73,28 +74,28 @@ class ThemeProvider {
   // assert in debug mode if it does not. On failure, this will return a
   // pointer to a shared empty placeholder bitmap so it will be visible what
   // is missing.
-  virtual GdkPixbuf* GetPixbufNamed(int id) = 0;
+  virtual GdkPixbuf* GetPixbufNamed(int id) const = 0;
 
   // As above, but flips it in RTL locales.
-  virtual GdkPixbuf* GetRTLEnabledPixbufNamed(int id) = 0;
+  virtual GdkPixbuf* GetRTLEnabledPixbufNamed(int id) const = 0;
 #elif defined(OS_MACOSX)
   // Gets the NSImage with the specified |id|.
   //
   // The bitmap is not assumed to exist. If a theme does not provide an image,
   // this function will return nil.
-  virtual NSImage* GetNSImageNamed(int id) = 0;
+  virtual NSImage* GetNSImageNamed(int id) const = 0;
 
   // Gets the NSColor with the specified |id|.
   //
   // The color is not assumed to exist. If a theme does not provide an color,
   // this function will return nil.
-  virtual NSColor* GetNSColor(int id) = 0;
+  virtual NSColor* GetNSColor(int id) const = 0;
 
   // Gets the NSColor for tinting with the specified |id|.
   //
   // The tint is not assumed to exist. If a theme does not provide a tint with
   // that id, this function will return nil.
-  virtual NSColor* GetNSColorTint(int id) = 0;
+  virtual NSColor* GetNSColorTint(int id) const = 0;
 #endif
 };