Remove dead code paths around PIXEL_STORAGE_TEXTURE in capture pipeline.

media/base/video_capture_types.cc

Index: media/base/video_capture_types.cc
diff --git a/media/base/video_capture_types.cc b/media/base/video_capture_types.cc
index 0bc6ae639511625fe34fa214aacb01fd65d860d9..f68eeb38a415a2cb108209e7ddfb8369ba176ddc 100644
--- a/media/base/video_capture_types.cc
+++ b/media/base/video_capture_types.cc
@@ -57,8 +57,10 @@ bool VideoCaptureFormat::IsValid() const {
          (frame_size.GetArea() < media::limits::kMaxCanvas) &&
          (frame_rate >= 0.0f) &&
          (frame_rate < media::limits::kMaxFramesPerSecond) &&
-         (pixel_storage != PIXEL_STORAGE_TEXTURE ||
-          pixel_format == PIXEL_FORMAT_ARGB);
+         (pixel_format >= PIXEL_FORMAT_UNKNOWN &&
+          pixel_format <= PIXEL_FORMAT_MAX) &&
+         (pixel_storage == PIXEL_STORAGE_CPU ||
+          pixel_storage == PIXEL_STORAGE_GPUMEMORYBUFFER);
 }
 
 size_t VideoCaptureFormat::ImageAllocationSize() const {
@@ -80,8 +82,6 @@ std::string VideoCaptureFormat::PixelStorageToString(
   switch (storage) {
     case PIXEL_STORAGE_CPU:
       return "CPU";
-    case PIXEL_STORAGE_TEXTURE:
-      return "TEXTURE";
     case PIXEL_STORAGE_GPUMEMORYBUFFER:
       return "GPUMEMORYBUFFER";
   }
@@ -109,4 +109,12 @@ VideoCaptureParams::VideoCaptureParams()
     : resolution_change_policy(RESOLUTION_POLICY_FIXED_RESOLUTION),
       power_line_frequency(PowerLineFrequency::FREQUENCY_DEFAULT) {}
 
+bool VideoCaptureParams::IsValid() const {
+  return requested_format.IsValid() &&
+         resolution_change_policy >= RESOLUTION_POLICY_FIXED_RESOLUTION &&
+         resolution_change_policy <= RESOLUTION_POLICY_LAST &&
+         power_line_frequency >= PowerLineFrequency::FREQUENCY_DEFAULT &&
+         power_line_frequency <= PowerLineFrequency::FREQUENCY_MAX;
+}
+
 }  // namespace media