Add methods for controlling keyboard brightness.

BUG=135482
TEST=none


Review URL: https://chromiumcodereview.appspot.com/10700150

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@146229 0039d316-1c4b-4281-b951-d872f2087c98

chromeos/dbus/mock_power_manager_client.h

@@ -25,6 +25,8 @@ class MockPowerManagerClient : public PowerManagerClient {
   MOCK_METHOD2(SetScreenBrightnessPercent, void(double, bool));
   MOCK_METHOD1(GetScreenBrightnessPercent,
                void(const GetScreenBrightnessPercentCallback&));
+  MOCK_METHOD0(DecreaseKeyboardBrightness, void(void));
+  MOCK_METHOD0(IncreaseKeyboardBrightness, void(void));
   MOCK_METHOD1(RequestStatusUpdate, void(UpdateRequestType));
   MOCK_METHOD0(RequestRestart, void(void));
   MOCK_METHOD0(RequestShutdown, void(void));

chromeos/dbus/power_manager_client.cc

@@ -141,6 +141,14 @@ class PowerManagerClientImpl : public PowerManagerClient {
     SimpleMethodCallToPowerManager(power_manager::kIncreaseScreenBrightness);
   }
 
+  virtual void DecreaseKeyboardBrightness() OVERRIDE {
+    SimpleMethodCallToPowerManager(power_manager::kDecreaseKeyboardBrightness);
+  }
+
+  virtual void IncreaseKeyboardBrightness() OVERRIDE {
+    SimpleMethodCallToPowerManager(power_manager::kIncreaseKeyboardBrightness);
+  }
+
   virtual void SetScreenBrightnessPercent(double percent, bool gradual) {
     dbus::MethodCall method_call(
         power_manager::kPowerManagerInterface,
@@ -559,6 +567,14 @@ class PowerManagerClientStubImpl : public PowerManagerClient {
     callback.Run(brightness_);
   }
 
+  virtual void DecreaseKeyboardBrightness() OVERRIDE {
+    VLOG(1) << "Requested to descrease keyboard brightness";
+  }
+
+  virtual void IncreaseKeyboardBrightness() OVERRIDE {
+    VLOG(1) << "Requested to increase keyboard brightness";
+  }
+
   virtual void RequestStatusUpdate(UpdateRequestType update_type) OVERRIDE {
     if (update_type == UPDATE_INITIAL) {
       Update();

chromeos/dbus/power_manager_client.h

@@ -119,6 +119,12 @@ class CHROMEOS_EXPORT PowerManagerClient {
   virtual void GetScreenBrightnessPercent(
       const GetScreenBrightnessPercentCallback& callback) = 0;
 
+  // Decreases the keyboard brightness.
+  virtual void DecreaseKeyboardBrightness() = 0;
+
+  // Increases the keyboard brightness.
+  virtual void IncreaseKeyboardBrightness() = 0;
+
   // Request for power supply status update.
   virtual void RequestStatusUpdate(UpdateRequestType update_type) = 0;